#include <unistd.h>
#include <stdlib.h>

int main()
{
	char buffer[128];
	int nread;
	
	nread=read(0, buffer, 128);
	if (nread==-1)
		write(2, "A read error has occurred\n", 26);

	if ((write(1, buffer, nread))!=nread)
		write(2, "A write error has occurred\n", 27);

	exit(0);
}
